essential
the rest of that guys site is pretty good too, if brief. especially the fridge story, i so wish i'd been that inventive at uni (but then again, british unis arent quite so strapped as to force strangers to share halls bedrooms)
and nowhere near as bad as this:
http://www.iwantoneofthose.com/FLAGEA_kits.htm
What do you get the boy racer who has everything, even W*NKER
lights? A flashing silver gearnob that looks just like the cheapest bit of halfords nonsense "performance" gearstick... but with blue LEDs.
check the comment at the bottom too
(if only did a different pattern and maybe colour for each gear, with a number display.... that'd be far more classy)